* {
    margin: 0;
    padding: 0;
}
.steps {
    width: 690px;
    height: 48px;
    margin: 0 auto;
    /* background-color: aqua; */
    padding: 0 150px;
    border-bottom: 2px solid #ccc;
}

ul {
    width: 690px;
    height: 48px;
    /* background-color: blue; */
    margin: 0 auto;
}
 ul > li > i {
    display: block;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background-color: #ff0036;
    text-align: center;
    font-style:normal;
    line-height: 30px;
 }
ul > li {
    /* width: 150px; */
    height: 20px;
    list-style: none;
    display: flex;
    float: left;
    padding: 20px 25px 8px;
    align-items: center;
}

ul > li.active {
    border-bottom: red 2px solid;
}

form {
    width: 750px;
    height: 600px;
    margin: 0 auto;
    padding: 50px 120px;

}
form >label > span {
    width: 240px;
    height: 37px;
    text-align: right;
    font-size: 14px;
    line-height: 37px;
    float: left;
    margin: 10px 5px;
}
form > label > input {
    width: 220px;
    height: 37px;
    font-size: 20px;
    line-height: 37px;
    margin: 10px 0;
    border: 2px solid #000;
    padding-left: 10px;
}
form > button {
    display: block;
    margin: 30px auto 0;
    width: 180px;
    height: 37px;
    background-color: red;
    justify-content: center;
    border: none;
    font-size: 20px;
    font-weight: 700;
    color: #fff;
}
form > .error {
    border: orange 1px solid;
    color: red;
    display: none;
}

